EP 0339122 B1 19911016 - METHOD FOR TREATING RESIN IN A PURGE VESSEL
Title (en)
METHOD FOR TREATING RESIN IN A PURGE VESSEL
Publication
Application
Priority
EP 88106949 A 19880429
Abstract (en)
[origin: EP0339122A1] A method for removing unpolymerized gaseous monomers from a solid olefin polymer in a single purge vessel while deactivating Ziegler-Natta catalysts and organometallic catalyst residues present in said solid olefin polymer by utilizing a two diameter purge vessel wherein hydrolysis of the catalysts are effected in the portion of the reactor having the smaller diameter with the gaseous monomers being removed in the larger diameter portion.
IPC 1-7
IPC 8 full level
CPC (source: EP)
C08F 6/005 (2013.01); C08F 6/02 (2013.01)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0339122 A1 19891102; EP 0339122 B1 19911016; AT E68504 T1 19911115; DE 3865670 D1 19911121; ES 2025725 T3 19920401; GR 3003573 T3 19930316
DOCDB simple family (application)
EP 88106949 A 19880429; AT 88106949 T 19880429; DE 3865670 T 19880429; ES 88106949 T 19880429; GR 910401552 T 19920115